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Microsoft Paint vulnerability enables remote code execution (CVE-2026-83844)

Original title: Microsoft Paint Vulnerability Allows Hackers to Execute Malicious Code Remotely Without User Interaction

GBHackersby Divya ()2 min read1
Part of a story covered by 6 sourcesMicrosoft patches Paint CVE-2026-83844 after conflicting advisoriesMerged summary & timeline
AI summary · x-ai/grok-4.7Summaries by Vani AI

An out-of-bounds read in Windows Paint build 11.2609.401.0 lets unauthenticated attackers execute code remotely without interaction.

Microsoft disclosed CVE-2026-83844, a memory-safety weakness (CWE-125) in Windows Paint. Attackers can trigger remote code execution by sending crafted packets with no user interaction required. The flaw carries an Important severity rating and CVSS 3.1 base score of 8.1 with high impacts across confidentiality, integrity, and availability. Microsoft lists build 11.2609.401.0 as the affected version and notes exploitation was assessed as less likely at disclosure.

Key facts
  • No user interaction needed
  • CVSS base score 8.1
  • Exploitation maturity: Unproven
  • Affected build: 11.2609.401.0
  • Temporal score: 7.1
Security assessment · AI, from the article

Impact: Remote code execution without interaction

ProductAffected
Microsoft Paintbuild 11.2609.401.0
What to do
  1. 1.Upgrade to build 11.2609.401.0
Analyze CVE-2026-83844 with Vani AIImpact, affected versions, exploitation, mitigations and detection

Vulnerabilities mentioned

All
CVEVulnerabilityCVSSEPSSSignalsPublished
CVE-2026-83844
Network RCE via out-of-bounds read in Windows Paint
7.0<1%PoC ×7

From the original article

2 min read at gbhackers.com

Microsoft has announced a vulnerability in Windows Paint that could let unauthenticated attackers execute malicious code remotely without any user interaction. This vulnerability is tracked as CVE-2026-83844 and was disclosed on October 13, 2026. It carries an “Important” severity rating from Microsoft, and its CVSS 3.

GBHackers

By Divya · gbhackers.com

Read the full article at GBHackers

A short excerpt; the article and its images belong to the publisher. Summary, key facts and assessment above are AI-written from the article and can be wrong.